Trilobita - Asaphida - Asaphidae
Parent taxon: Asaphoidea according to R. A. Fortey and D. L. Bruton 2013
See also Adrain 2011, Bouchet et al. 2010, Harrington and Leanza 1957, Loch 2007, Owens and Fortey 2009, Phleger 1933, Robison and Pantoja-Alor 1968 and Whittington et al. 1997
Sister taxa: Ceratopygidae, Remopleurididae
Subtaxa: Anataphrus Asaphellus Asaphinae Atopasaphus Aulacoparia Australopyge Basilicus Bellefontia Birmanites Bohemopyge Borogothus Brachyaspis Branisaspis Burminresia Ectenaspis Emanuelaspis Eoasaphus Eoisotelus Fuyunia Gerasaphes Gogiura Griphasaphus Guohongjunia Homalopyge Hunnebergia Isabelinia Isotelinae Isyrakopeltis Kainisiliellina Kayseraspis Klabavia Kobayashia Lachnostoma Lisogorites Lycophron Merlinia Metaptychopyge Metayuepingia Nahannia Neopeltis Nerudaspis Nileoides Ningkianites Niobides Niobina Niobinae Nobiliasaphinae Nobiliasaphus Norasaphus Norinia Ogmasaphus Ogygiinae Ogyginus Ogygiocarinae Ogygiocaris Ogygites Ogygitoides Onchometopus Parabellefontia Paramegalaspis Paratamdaspis Penchiopsis Plectasaphus Popovkiaspis Presbynileus Priceaspis Proasaphus Promegalaspidinae Proscharyia Protopresbynileus Protoptychopyge Pseudasaphus Pseudoasaphus Pseudogriphasaphus Pseudogygites Pseudoptyocephalus Psilocephalina Ptychopyge Ptychopyginae Ptyocephalus Sanbernardaspis Stegnopsis Stenorhachis Suriaspis Tchukeraspis Thysanopyge Trigonocerca Trigonocercella Valdaites Vogdesia Xenasaphus Xenostegium Zhenganites Zuninaspis
Ecology: fast-moving low-level epifaunal carnivore